OpenZeppelin

Founded in 2015, OpenZeppelin is the world leader in securing blockchain applications and smart contract systems. Its bedrock open source Contract Libraries are a public good and industry standard for smart contract development. OpenZeppelin’s professional expertise, unified with the Defender developer security platform, integrates through clients’ development lifecycles, so teams can plan, code, audit, deploy and operate projects faster and more safely. OpenZeppelin secures success for over a thousand trusted crypto protocols and organizations, including Coinbase, Ethereum Foundation, Compound, Aave, Uniswap, Matter Labs and ANZ Bank.
With the success of our product, our security audits work, and our educational efforts, we have set industry standards for building secure systems in a fast-growing industry, which presents new programming paradigms. We are now excited to offer a development platform that will help the growing number of developers working on top of decentralized protocols build the applications that will reach mass adoption.